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feat(tracker): adding, setting, unsetting and deleting units

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vsariola
2021-02-04 21:50:41 +02:00
parent 29b289d2fb
commit 6307dd51de
8 changed files with 316 additions and 86 deletions
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62
tracker/tracker.go
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@ -25,6 +25,9 @@ type Tracker struct {
CursorColumn int
CurrentInstrument int
CurrentUnit int
UnitGroupMenuVisible bool
UnitGroupMenuIndex int
UnitSubMenuIndex int
NoteTracking bool
Theme *material.Theme
Octave *NumberInput
@ -47,7 +50,13 @@ type Tracker struct {
FileMenuVisible bool
ParameterSliders []*widget.Float
UnitBtns []*widget.Clickable
UnitList *layout.List
DeleteUnitBtn *widget.Clickable
ClearUnitBtn *widget.Clickable
ChooseUnitTypeList *layout.List
ChooseUnitTypeBtns []*widget.Clickable
InstrumentBtns []*widget.Clickable
AddUnitBtn *widget.Clickable
InstrumentList *layout.List
TrackHexCheckBoxes []*widget.Bool
TrackShowHex []bool
@ -329,6 +338,51 @@ func (t *Tracker) SetRowsPerPattern(value int) {
}
}
func (t *Tracker) SetUnit(typ string) {
unit, ok := defaultUnits[typ]
if !ok {
return
}
if unit.Type == t.song.Patch.Instruments[t.CurrentInstrument].Units[t.CurrentUnit].Type {
return
}
t.SaveUndo()
t.song.Patch.Instruments[t.CurrentInstrument].Units[t.CurrentUnit] = unit.Copy()
t.sequencer.SetPatch(t.song.Patch)
}
func (t *Tracker) AddUnit() {
t.SaveUndo()
units := make([]sointu.Unit, len(t.song.Patch.Instruments[t.CurrentInstrument].Units)+1)
copy(units, t.song.Patch.Instruments[t.CurrentInstrument].Units[:t.CurrentUnit+1])
copy(units[t.CurrentUnit+2:], t.song.Patch.Instruments[t.CurrentInstrument].Units[t.CurrentUnit+1:])
t.song.Patch.Instruments[t.CurrentInstrument].Units = units
t.CurrentUnit++
t.sequencer.SetPatch(t.song.Patch)
}
func (t *Tracker) ClearUnit() {
t.SaveUndo()
t.song.Patch.Instruments[t.CurrentInstrument].Units[t.CurrentUnit].Type = ""
t.song.Patch.Instruments[t.CurrentInstrument].Units[t.CurrentUnit].Parameters = make(map[string]int)
t.sequencer.SetPatch(t.song.Patch)
}
func (t *Tracker) DeleteUnit() {
if len(t.song.Patch.Instruments[t.CurrentInstrument].Units) <= 1 {
return
}
t.SaveUndo()
units := make([]sointu.Unit, len(t.song.Patch.Instruments[t.CurrentInstrument].Units)-1)
copy(units, t.song.Patch.Instruments[t.CurrentInstrument].Units[:t.CurrentUnit])
copy(units[t.CurrentUnit:], t.song.Patch.Instruments[t.CurrentInstrument].Units[t.CurrentUnit+1:])
t.song.Patch.Instruments[t.CurrentInstrument].Units = units
if t.CurrentUnit > 0 {
t.CurrentUnit--
}
t.sequencer.SetPatch(t.song.Patch)
}
func (t *Tracker) ClampPositions() {
t.PlayPosition.Clamp(t.song)
t.Cursor.Clamp(t.song)
@ -416,6 +470,10 @@ func New(audioContext sointu.AudioContext) *Tracker {
SubtractSemitoneBtn: new(widget.Clickable),
AddOctaveBtn: new(widget.Clickable),
SubtractOctaveBtn: new(widget.Clickable),
AddUnitBtn: new(widget.Clickable),
DeleteUnitBtn: new(widget.Clickable),
ClearUnitBtn: new(widget.Clickable),
UnitList: &layout.List{Axis: layout.Vertical},
setPlaying: make(chan bool),
rowJump: make(chan int),
patternJump: make(chan int),
@ -427,12 +485,16 @@ func New(audioContext sointu.AudioContext) *Tracker {
TopHorizontalSplit: new(Split),
BottomHorizontalSplit: new(Split),
VerticalSplit: new(Split),
ChooseUnitTypeList: &layout.List{Axis: layout.Vertical},
}
t.Octave.Value = 4
t.VerticalSplit.Axis = layout.Vertical
t.BottomHorizontalSplit.Ratio = -.5
t.Theme.Palette.Fg = primaryColor
t.Theme.Palette.ContrastFg = black
for range allUnits {
t.ChooseUnitTypeBtns = append(t.ChooseUnitTypeBtns, new(widget.Clickable))
}
go t.sequencerLoop(t.closer)
if err := t.LoadSong(defaultSong.Copy()); err != nil {
panic(fmt.Errorf("cannot load default song: %w", err))